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5 Cards in this Set
- Front
- Back
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3 Types?
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1. Rickettsia
2. Rochalimaea 3. Coxsiella |
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General Characteristics:
1. small gram __ coccobacili; pleomorphic 2. stain poorly but best visualized by using both __ and __ methods --> organisms stained __ or __ 3. obligate __ parasite (except Rochalimaea __ which have been cultivated in artificial CM) 4. multiply by __ fission 5. transmission requires __-sucking arthropods as intermediate host to complete life cycle except Coxiella __ which can also be transmitted by inhalation (tick-borne) |
1. -
2. Giemsa and Machiavello; pink or red 3. intracellular, quintana 4. binary 5. blood, burnetti |
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|
3 Types?
|
1. Rickettsia
2. Rochalimaea 3. Coxsiella |
|
|
General Characteristics:
1. small gram __ coccobacili; pleomorphic 2. stain poorly but best visualized by using both __ and __ methods --> organisms stained __ or __ 3. obligate __ parasite (except Rochalimaea __ which have been cultivated in artificial CM) 4. multiply by __ fission 5. transmission requires __-sucking arthropods as intermediate host to complete life cycle except Coxiella __ which can also be transmitted by inhalation (tick-borne) |
1. -
2. Giemsa and Machiavello; pink or red 3. intracellular, quintana 4. binary 5. blood, burnetti |
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Rickettsia tsutsugamushi (R. orientalis)
Scrub typhus: > transmitted thru bite of infected __ mite > IP __-__ weeks > Clinical manifestations: __, __ sore __, __, __, generalized __ skin rashes, characteristic skin __ at site of bite -- "__" (black scab) = __ |
> chigger
> 1-3 > fever, chills, throat, myalgia, lymphadenopathy, maculopapular, lesion, "eschar", pathognomonic |
